42812705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21247}}^1$

素因数の和:21296

約数の個数: 16

約数和(自身を含む): 57114624

約数和(自身を除く): 14301919

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 21247, 106235, 276211, 658657, 1381055, 3293285, 8562541, 42812705]

約数ペア:

[(1, 42812705), (5, 8562541), (13, 3293285), (31, 1381055), (65, 658657), (155, 276211), (403, 106235), (2015, 21247)]